Surface functionalization of glassy carbon electrodes via adsorption, electrografting and click chemistry using quantum dots and alkynyl substituted phthalocyanines: a brief review

Siphesihle Robin Nxele; Philani Mashazi; Tebello Nyokong

doi:10.1117/12.2245687

3 February 2017 Surface functionalization of glassy carbon electrodes via adsorption, electrografting and click chemistry using quantum dots and alkynyl substituted phthalocyanines: a brief review

Siphesihle Robin Nxele, Philani Mashazi, Tebello Nyokong

Author Affiliations +

Proceedings Volume 10036, Fourth Conference on Sensors, MEMS, and Electro-Optic Systems; 100360D (2017) https://doi.org/10.1117/12.2245687
Event: Fourth Conference on Sensors, MEMS and Electro-Optic Systems, 2016, Skukuza, Kruger National Park, South Africa

Abstract

In this work, glassy carbon electrodes are functionalised with alkynyl substituted phthalocyanines via electrografting and click chemistry as well as with quantum dots (QDs)-phthalocyanine conjugates via adsorption. The use of click chemistry and the addition of QDs is to try observe improvements in the electrocatalytic behaviour of electrocatalyst compared to similar electrocatalysts in literature. The electrografting and click chemistry methods provide greater molecule stability on the substrate surface due to the covalent bonds formed. Results show that these methods of electrode fabrication do improve the functionality of the electrocatalysts.

Citation Download Citation

Siphesihle Robin Nxele, Philani Mashazi, and Tebello Nyokong "Surface functionalization of glassy carbon electrodes via adsorption, electrografting and click chemistry using quantum dots and alkynyl substituted phthalocyanines: a brief review", Proc. SPIE 10036, Fourth Conference on Sensors, MEMS, and Electro-Optic Systems, 100360D (3 February 2017); https://doi.org/10.1117/12.2245687

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